मराठी

Find int sqrt((x + 2)/(x - 2)) dx - Mathematics

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प्रश्न

Find `int sqrt((x + 2)/(x - 2))` dx

बेरीज
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उत्तर

`int sqrt((x + 2)/(x - 2))` dx

`sqrt((x + 2)/(x - 2)) = (x + 2)/(sqrt(x^2 - 4))`

So,

`int sqrt((x + 2)/(x - 2)) = int (x + 2)/(sqrt(x^2 - 4))`

= `int x/(sqrt(x^2 - 4))dx + 2 int 1/(sqrt(x^2 - 4))dx`

= `sqrt(x^2 - 4) + 2 log |x + sqrt(x^2 - 4)| + C`

∴ `int sqrt((x + 2)/(x - 2)) dx = sqrt(x^2 - 4) + 2 log |x + sqrt(x^2 - 4)| + C`

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